connectorx::prelude

Struct Dispatcher

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pub struct Dispatcher<'a, S, D, TP> { /* private fields */ }
Expand description

A dispatcher takes a S: Source, a D: Destination, a TP: Transport and a vector of queries as input to load data from S to D using the queries.

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impl<'w, S, D, TP> Dispatcher<'w, S, D, TP>
where S: Source, D: Destination, TP: Transport<TSS = S::TypeSystem, TSD = D::TypeSystem, S = S, D = D>,

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pub fn new<Q>( src: S, dst: &'w mut D, queries: &[Q], origin_query: Option<String>, ) -> Self
where for<'a> &'a Q: Into<CXQuery>,

Create a new dispatcher by providing a source, a destination and the queries.

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pub fn prepare( self, ) -> Result<(DataOrder, Vec<S::Partition>, Vec<D::Partition<'w>>, Vec<S::TypeSystem>, Vec<D::TypeSystem>), TP::Error>

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pub fn run(self) -> Result<(), TP::Error>

Start the data loading process.

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pub fn get_meta(&mut self) -> Result<(), TP::Error>

Only fetch the metadata (header) of the destination.

Auto Trait Implementations§

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impl<'a, S, D, TP> Freeze for Dispatcher<'a, S, D, TP>
where S: Freeze,

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impl<'a, S, D, TP> RefUnwindSafe for Dispatcher<'a, S, D, TP>
where S: RefUnwindSafe, D: RefUnwindSafe, TP: RefUnwindSafe,

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impl<'a, S, D, TP> Send for Dispatcher<'a, S, D, TP>
where S: Send, D: Send, TP: Send,

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impl<'a, S, D, TP> Sync for Dispatcher<'a, S, D, TP>
where S: Sync, D: Sync, TP: Sync,

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impl<'a, S, D, TP> Unpin for Dispatcher<'a, S, D, TP>
where S: Unpin, TP: Unpin,

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impl<'a, S, D, TP> !UnwindSafe for Dispatcher<'a, S, D, TP>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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Immutably borrows from an owned value. Read more
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